Immune System CD8 surface antigen is present in none of these both (a) and (b) suppresssor T cells cytotoxic T cells none of these both (a) and (b) suppresssor T cells cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) All of these can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells All of these can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for tuberculosis diphtheria all of these enteric fever tuberculosis diphtheria all of these enteric fever ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is interleukin actin CD8 HLA interleukin actin CD8 HLA ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T cells? In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Chemical nature Size of the antigen All of these Foreignness Chemical nature Size of the antigen All of these Foreignness ANSWER DOWNLOAD EXAMIANS APP
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